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90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package database
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/aziis98/lupus-lite/model"
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"github.com/aziis98/lupus-lite/util"
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)
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type Database interface {
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CreateUser(user model.User) error
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GetUsers() ([]model.User, error)
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GetUser(username string) (model.User, error)
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CreatePartita(partitaConfig model.PartitaConfig) (model.Partita, error)
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GetPartita(uid string) (model.Partita, error)
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}
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type memDB struct {
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Users map[string]model.User `json:"users"`
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Partite map[string]model.Partita `json:"partite"`
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}
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func NewInMemoryDB() (Database, error) {
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var db memDB
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exampleFile, err := os.Open("example-db.local.json")
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if err != nil {
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return nil, err
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}
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if err := json.NewDecoder(exampleFile).Decode(&db); err != nil {
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return nil, err
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}
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return &db, nil
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}
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func (db *memDB) GetUsers() ([]model.User, error) {
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users := make([]model.User, 0, len(db.Users))
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for _, u := range db.Users {
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users = append(users, u)
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}
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return users, nil
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}
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func (db *memDB) GetUser(username string) (model.User, error) {
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user, ok := db.Users[username]
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if !ok {
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return model.User{}, fmt.Errorf(`no user with username %q`, username)
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}
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return user, nil
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}
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func (db *memDB) CreateUser(user model.User) error {
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if _, ok := db.Users[user.Username]; ok {
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return fmt.Errorf(`user with username %q already exists`, user.Username)
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}
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db.Users[user.Username] = user
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return nil
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}
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func (db *memDB) CreatePartita(partitaConfig model.PartitaConfig) (model.Partita, error) {
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uid := util.GenerateRandomString(12)
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partita := model.Partita{
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Uid: uid,
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Config: partitaConfig,
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Players: []string{},
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Iniziata: false,
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}
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db.Partite[uid] = partita
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return partita, nil
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}
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func (db *memDB) GetPartita(uid string) (model.Partita, error) {
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partita, ok := db.Partite[uid]
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if !ok {
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return model.Partita{}, fmt.Errorf(`nessuna partita con uid %q`, uid)
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}
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return partita, nil
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}
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